LG LFCS22520 Series Service Manual

11-3 Check C
C1. Harness Connection Check
C2. Capacitor Specifications
C3. Compressor Check
- Step 1. Power off. Step 2. Check capacitor spec. (table1). Step3. Check resistance of point A
Step 4. Check wire harness (INF ohm). Step 5. Check resistance at point B. Step 6. Point D.
Check Process
Power
off
Resistance
at Point A
6~8ohm
Harness
Connecting
OK
Problem
A~B
Check
Capacitor
Spec.
Resistance
at Point B
6~8ohm
Resistance
at Point D
6~8ohm
Replace
Compressor
Problem
B~D
Check
wiring to
compressor
Y
N
N
Y
Y
Y
N
N
Check Compressor
terminals
Harness
Problem
Y
N
Y
- Measure the resistance at each point except point C
- Dead short check: measure the resistance between power line in compressor and earth ground in refrigerator (Inf. Ohm)
Caution : Turn off power during check C
* Because of ambient temperature or operating
situations, the values shown can have a slight
deviation.
Multi
Tester
Multi
Tester
Dead short check
Hermetic Terminal
Multi
Tester
Earth
Multi
Tester
OLP
Po: Power
Co: Common
N/C: Open terminal
Capacitor Spec
450V, 18µF±5%
FC75LBNA
Resistance
Po
N/C
Co
P
A
B
C
C
45

LG LFCS22520 Series Specifications

General

Brand	LG
Model	LFCS22520 Series
Category	Refrigerator
Language	English